medias.php

<?php 
/*
* ADD OEMBED TO RTS.CH
* Copied from : https://gist.github.com/marcwieland95/61074b488aae12460a17882aeb3e0fd8
*/
wp_embed_register_handler('srg', '#https?:\/\/(?:www\.)?(srf|rsi|rts|rtr)\.ch\/.*(?:detail\/|video:)((?:.{8}-.{4}-.{4}-.{4}-.{12})|\d*)(?:.startTime=(\d*)|.*)#i', function ($matches, $attr, $url, $rawattr) {
    return sprintf(
        '<div class="embed-container"><iframe width="560" height="315" src="https://%1$s.ch/play/embed?urn=urn:%1$s:video:%2$s" allowfullscreen allow="encrypted-media"></iframe></div>',
        esc_attr($matches[1]),
        esc_attr($matches[2]),
    );
});